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@uiten tetes @stmt @High M.. D.' BUDD, OF ROSCOE, lLLlNOlS. Letters Patent No. 65,338, dated June 4, 1867.

IMPROVED BOLT AND RIVET TRIMMER.

TO ALL WH OM IT MAY CONCERN:

Bc it known that l, M. D. BUDD, of Roscoe, in the county of Winnebago, and State of Illinois, have invented a. new and improved Bolt and Rivet Trimmer; and I do hereby declare that the following is a full, clear, andexuet description thereof, which will enable others sl-:illcd in the crt to make and use the sume, reference being had to the accompanying drawings, forming part of this specification.

My invention consists in constructing a. tool for cutting or trimming bolts'end rivets in blacksmiths work, er other iron or metallic work, whereby I obtain. zr compound lever purchase in cutting the metal, and in the peculiar construction of said machine, as will be hereinafter described.

Figure l represents the trimmer complete.

Figure 2 shows un edge view; and

Figure 3 is a cross-section through the line n; a: of lig. l.

Similar letters of reference indicate like parts.

This tool operates like a. shears, the cutting parts being attached to jews or levers, as seen in the drawing.

A. is one of the lovers, to which one of' the cutting knives :is ett-ached, und li is the other lever jaw. C represents the knives; D is a lever. The jaw D is jointed :indvso arranged that the jaw can be extended so that. the cutter will receive e. larger bolt than it otherwise would, and held in position while the power is being applied. It has a slot in the end by which it is pivotcd to the cars by the outside bolt B. This bolt acts as a set-screw. The shorter portion of this jew E is jointed te the other portion a. On its outer edge arc notches Za, as will bernoticed. d is a clasp, which is attached to the jaw B at j', which is n pivot upon which it turns. It straddles the jews. This cla-sp locks on to the notches b :is the joint is opened. tis held in position when placed upon anyone ofthe notches by a. spring, g. t is a guide or support to keep the jew from sagging at the joint; it is attached to the jaw B, but rests or beers upon the long lever jaw il. Attached irrnly to the end of the long jaw or lever A are straps e, one on cach side. These straps project so as to receive the end of the short jaw between them, where it works on a pivot as its fulcruin. The knives or cutters attached to these jaws are shown in'igs. l und 3 by C. They are plucod in recesses made in the jews, and :tre held in their places by screw-bolts, the nuts or" which are seen at o in all thetigurcs.v 'lhese cutters have slot holes through them which allow them to be moved forward or back in their recesses. lhey are placed so that their faces and cutting edges are ilush with the bottom side of the jaws, as seen in fig. S. The body' ot' the jaws is cut away above the cutting edges so as to admit a bolt, as seen in figs. l and 3, between the nuts o. rlhe short jaw has a tongue attached to it on one side of the recess for the bolt, and the other jow is reboted to receive it. This acts as a guide to keep the cutting edges level with each other and to prevent the bolt'froni going below the knives. The lever D is attached to the long lever jaw A by straps l), one of which is rigidly attached to each side of A, between which the lever D works. Its fulcrurn is a pin, v, through the straps. It is connected with the short end of the jointed jaw B (o rwvith E) by straps S, one upon each side, as seen in the drawing. The long lever jaw A passes between these straps.

It will thus he seen that a. very great power can be applied to the knives, it being a compound lever purchase. On the jaw B there is a small projection, t', which is for the purpose of preventing the knives from coming together or being injured by Contact with euch other.

Having thus described my invention, what I claim es new, and desire to secure by Letters Patent, is;

The combination of the spring g, the clasp d, and the guide 7l, arranged substantially es described.

M. D. BUDD.

Witnesses C. VINeEN'r, L. B. BRADLEY. 

